Chips refer to the substitutes used for representing cash and betting in gambling venues. Generally, they are designed as round chips similar to coins or square chips. ABS or clay material.

The stamping process uses the principle of hot pressing transfer to transfer the aluminum layer in the anodized aluminum to the substrate surface to form a special metal effect. Since the main material used for stamping is anodized aluminum foil, the stamping is also called anodized stamping. Electrochemical aluminum foil is usually composed of multi-layer materials, and the base material is usually PE, followed by separation coating, color coating, metal coating (aluminum plating) and glue coating.